text: from filtering.anisotropic import * 
  from rivuletpy.utils.io import * 
  import matplotlib.pyplot as plt
  from scipy import io as sio
  
  try:
      from skimage import filters
  except ImportError:
      from skimage import filter as filters
  
  mat = sio.loadmat('tests/data/very-small-oof.mat', )
  img = mat['img']
  ostu_img = filters.threshold_otsu(img)
  radii = np.arange(1, 1.5, 0.1)
  
  oof_matlab = mat['oof']
  ostu_matlaboof = filters.threshold_otsu(oof_matlab)
  
  oofrps_memsave, _ = response(img.astype('float'), rsptype='oof', radii=np.asarray(radii), memory_save=True)
  otsu_memsave = filters.threshold_otsu(oofrps_memsave)
  
  oofrps_highmem, _ = response(img.astype('float'), rsptype='oof', radii=np.asarray(radii), memory_save=False)
  otsu_highmem = filters.threshold_otsu(oofrps_highmem)
  
  plotidx = 1
  plt.subplot(4, 4, plotidx)
  plt.imshow(oofrps_memsave.max(axis=0))
  plt.title('OOF Python MEM_SAVE YZ')
  plotidx += 1
  
  plt.subplot(4, 4, plotidx)
  plt.imshow(oofrps_memsave.max(axis=1))
  plt.title('OOF Python MEM_SAVE XZ')
  plotidx += 1
  
  plt.subplot(4, 4, plotidx)
  plt.imshow(oofrps_memsave.max(axis=2))
  plt.title('OOF Python MEM_SAVE XY')
  plotidx += 1
  
  plt.subplot(4, 4, plotidx)
  plt.imshow((oofrps_memsave > otsu_memsave).max(axis=2))
  plt.title('OOF Python MEM_SAVE Otsu XY')
  plotidx += 1
  
  plt.subplot(4, 4, plotidx)
  plt.imshow(oofrps_highmem.max(axis=0))
  plt.title('OOF Python HIGHMEM YZ')
  plotidx += 1
  
  plt.subplot(4, 4, plotidx)
  plt.imshow(oofrps_highmem.max(axis=1))
  plt.title('OOF Python HIGHMEM XZ')
  plotidx += 1
  
  plt.subplot(4, 4, plotidx)
  plt.imshow(oofrps_highmem.max(axis=2))
  plt.title('OOF Python HIGHMEM XY')
  plotidx += 1
  
  plt.subplot(4, 4, plotidx)
  plt.imshow((oofrps_highmem > otsu_highmem).max(axis=2))
  plt.title('OOF Python HIGHMEM Otsu XY')
  plotidx += 1
  
  plt.subplot(4, 4, plotidx)
  plt.imshow(oof_matlab.max(axis=0))
  plt.title('OOF Matlab YZ')
  plotidx += 1
  
  plt.subplot(4, 4, plotidx)
  plt.imshow(oof_matlab.max(axis=1))
  plt.title('OOF Matlab XZ')
  plotidx += 1
  
  plt.subplot(4, 4, plotidx)
  plt.imshow(oof_matlab.max(axis=2))
  plt.title('OOF Matlab XY')
  plotidx += 1
  
  plt.subplot(4, 4, plotidx)
  plt.imshow((oof_matlab > ostu_matlaboof).max(axis=2))
  plt.title('OOF Matlab Otsu XY')
  plotidx += 1
  
  plt.subplot(4, 4, plotidx)
  plt.imshow(img.max(axis=0))
  plt.title('Original YZ')
  plotidx += 1
  
  plt.subplot(4, 4, plotidx)
  plt.imshow(img.max(axis=1))
  plt.title('Original XZ')
  plotidx += 1
  
  plt.subplot(4, 4, plotidx)
  plt.imshow(img.max(axis=2))
  plt.title('Original XY')
  plotidx += 1
  
  plt.subplot(4, 4, plotidx)
  plt.imshow((img > ostu_img).max(axis=2))
  plt.title('Original Otsu XY')
  plt.show()
  